package com.ct.extension.controller;

import com.ct.extension.constant.Constants;
import jakarta.annotation.Resource;
import org.springframework.amqp.AmqpException;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageDeliveryMode;
import org.springframework.amqp.core.MessagePostProcessor;
import org.springframework.amqp.core.MessageProperties;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;
import java.util.UUID;

@RequestMapping("/producer")
@RestController
public class ProducerController {

    // 这里要指定使用的 Bean
    @Resource(name = "rabbitTemplate")
    private RabbitTemplate rabbitTemplate;

    @Resource(name = "confirmRabbitTemplate")
    private RabbitTemplate confirmRabbitTemplate;

    @Resource(name = "transRabbitTemplate")
    private RabbitTemplate transRabbitTemplate;

    @RequestMapping("/ack")
    public String ack() {
        rabbitTemplate.convertAndSend(Constants.ACK_EXCHANGE, "ack", "consumer ack mode test...");
        return "消息发送成功";
    }

    @RequestMapping("/pres")
    public String pres() {

        Message message = new Message("Presistent test...".getBytes(), new MessageProperties());

        //消息非持久化
        message.getMessageProperties().setDeliveryMode(MessageDeliveryMode.NON_PERSISTENT);

        //消息持久化
        message.getMessageProperties().setDeliveryMode(MessageDeliveryMode.PERSISTENT);

        System.out.println(message);
        rabbitTemplate.convertAndSend(Constants.PRES_EXCHANGE, "pres", message);
        return "消息发送成功";
    }

    @RequestMapping("/confirm")
    public String confirm() {
        String id = UUID.randomUUID().toString();
        CorrelationData correlationData = new CorrelationData(id);
        confirmRabbitTemplate.convertAndSend(Constants.CONFIRM_EXCHANGE, "confirm11",
                "confirm test...", correlationData);
        return "消息发送成功";
    }

    @RequestMapping("/returns")
    public String returns() {
        String id = UUID.randomUUID().toString();
        CorrelationData correlationData = new CorrelationData(id);
        confirmRabbitTemplate.convertAndSend(Constants.CONFIRM_EXCHANGE, "confirm",
                "returns test...", correlationData);
        return "消息发送成功";
    }

    @RequestMapping("/retry")
    public String retry() {
        System.out.println("retry...");
        rabbitTemplate.convertAndSend(Constants.RETRY_EXCHANGE, "retry", "retry test...");
        return "消息发送成功";
    }

    @RequestMapping("/ttl")
    public String ttl() {
        System.out.println("ttl...");

        MessagePostProcessor messageInfo = new MessagePostProcessor() {
            @Override
            public Message postProcessMessage(Message message) throws AmqpException {
                message.getMessageProperties().setExpiration("30000"); //单位: 毫秒, 过期时间为30s
                return message;
            }
        };
        rabbitTemplate.convertAndSend(Constants.TTL_EXCHANGE, "ttl", "ttl test 30s", messageInfo);

        rabbitTemplate.convertAndSend(Constants.TTL_EXCHANGE, "ttl", "ttl test 10s...", message -> {
            message.getMessageProperties().setExpiration("10000");  //单位: 毫秒, 过期时间为10s
            return message;
        });
        return "消息发送成功";
    }

    @RequestMapping("/ttl2")
    public String ttl2() {
        System.out.println("ttl2...");
        //发送普通消息
        rabbitTemplate.convertAndSend(Constants.TTL_EXCHANGE, "ttl2", "ttl test...");
        return "消息发送成功";
    }

    @RequestMapping("/dl")
    public String dl() {
        System.out.println("dl...");
        //测试队列长度
//        for (int i = 0; i < 5; i++) {
//            rabbitTemplate.convertAndSend(Constants.NORMAL_EXCHANGE, "normal", "dl test..."+i);
//        }

        //发送延迟消息
        rabbitTemplate.convertAndSend(Constants.NORMAL_EXCHANGE, "normal", "dl test...", message -> {
            message.getMessageProperties().setExpiration("10000");
            return message;
        });
        System.out.printf("%tc 消息发送成功 \n", new Date());
        return "消息发送成功";
    }

    @RequestMapping("/delay2")
    public String delay2() {
        System.out.println("delay2...");

        rabbitTemplate.convertAndSend(Constants.DELAY_EXCHANGE, "delay", "delay test 30s...", message -> {
            message.getMessageProperties().setDelayLong(30000L);  //单位: 毫秒, 过期时间为30s
            return message;
        });
        rabbitTemplate.convertAndSend(Constants.DELAY_EXCHANGE, "delay", "delay test 10s...", message -> {
            message.getMessageProperties().setDelayLong(10000L);  //单位: 毫秒, 延迟时间为10s
            return message;
        });

        System.out.printf("%tc 消息发送成功 \n", new Date());
        return "消息发送成功";
    }

    @Transactional
    @RequestMapping("/trans")
    public String trans(){
        System.out.println("trans test...");
        transRabbitTemplate.convertAndSend("",Constants.TRANS_QUEUE, "trans test 1...");
        int num = 5/0;
        transRabbitTemplate.convertAndSend("",Constants.TRANS_QUEUE, "trans test 2...");
        return "消息发送成功";
    }

    @RequestMapping("/qos")
    public String qos() {
        System.out.println("qos test...");
        //发送普通消息
        for (int i = 0; i < 20; i++) {
            rabbitTemplate.convertAndSend(Constants.QOS_EXCHANGE, "qos", "qos test..."+i);
        }
        return "消息发送成功";
    }
}
